Effect of Variable Viscosity on Free Convection Flow in a Horizontal Porous Channel with a Partly Heated or Cooled Wall

摘要

A theoretical study of the effect of variable viscosity on the steady free convection flow in a horizontal infinite porous channel when a part of its bottom wall is heated is presented in this paper.The transformed equations are solved numerically using a finite-difference method.The effects of the Rayleigh number and viscosity parameter on the flow and heat transfer characteristics are discussed